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Q&A What hull materials are suitable for a helium-sea jet-ski?

Inspired by this question. Imagine a sea of liquid helium. Some people like to use submarines, but we've got a better plan. Jet-Skis. Impeller pumps are used in jet-skis and can also be used to ...

4 answers  ·  posted 8y ago by Joe Bloggs‭  ·  last activity 8y ago by Joe Bloggs‭

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